From 93c345e49f4190800128178348f4680bc40c7fbe Mon Sep 17 00:00:00 2001
From: Matthias Clasen <mclasen@redhat.com>
Date: Sat, 9 Mar 2013 22:28:39 -0500
Subject: [PATCH] window: Hide frame buttons when appropriate

Hide the close button if the window is not deletable, hide the
maximize button if the window is not resizable, and hide all
buttons if the window is a dialog.

Update buttons when the window state changes.
---
 gtk/gtkwindow.c | 63 +++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 63 insertions(+)

diff --git a/gtk/gtkwindow.c b/gtk/gtkwindow.c
index 968655dcab..a6bfa201d4 100644
--- a/gtk/gtkwindow.c
+++ b/gtk/gtkwindow.c
@@ -435,6 +435,7 @@ static void     gtk_window_unrealize_icon             (GtkWindow    *window);
 static void     resize_grip_create_window             (GtkWindow    *window);
 static void     resize_grip_destroy_window            (GtkWindow    *window);
 static void     update_grip_visibility                (GtkWindow    *window);
+static void     update_window_buttons                 (GtkWindow    *window);
 
 static void        gtk_window_notify_keys_changed (GtkWindow   *window);
 static GtkKeyHash *gtk_window_get_key_hash        (GtkWindow   *window);
@@ -2901,6 +2902,8 @@ gtk_window_set_type_hint (GtkWindow           *window,
 
   priv->reset_type_hint = TRUE;
   priv->gdk_type_hint = hint;
+
+  update_window_buttons (window);
 }
 
 /**
@@ -3414,6 +3417,9 @@ gtk_window_set_decorated (GtkWindow *window,
                                     0);
     }
 
+  update_window_buttons (window);
+  gtk_widget_queue_resize (GTK_WIDGET (window));
+
   g_object_notify (G_OBJECT (window), "decorated");
 }
 
@@ -3481,6 +3487,8 @@ gtk_window_set_deletable (GtkWindow *window,
 				  GDK_FUNC_ALL | GDK_FUNC_CLOSE);
     }
 
+  update_window_buttons (window);
+
   g_object_notify (G_OBJECT (window), "deletable");  
 }
 
@@ -4854,6 +4862,52 @@ get_default_title (void)
   return title;
 }
 
+static void
+update_window_buttons (GtkWindow *window)
+{
+  GtkWindowPrivate *priv = window->priv;
+
+  if (priv->client_decorated)
+    {
+      if (priv->title_box != NULL)
+        gtk_widget_show (priv->title_box);
+
+      if (priv->title_min_button != NULL)
+        {
+          if (priv->gdk_type_hint == GDK_WINDOW_TYPE_HINT_NORMAL)
+            gtk_widget_show (priv->title_min_button);
+          else
+            gtk_widget_hide (priv->title_min_button);
+        }
+
+      if (priv->title_max_button != NULL)
+        {
+          if (priv->resizable &&
+              priv->gdk_type_hint == GDK_WINDOW_TYPE_HINT_NORMAL)
+            gtk_widget_show (priv->title_max_button);
+          else
+            gtk_widget_hide (priv->title_max_button);
+        }
+
+     if (priv->title_close_button != NULL)
+        {
+          if (priv->deletable &&
+              priv->gdk_type_hint == GDK_WINDOW_TYPE_HINT_NORMAL)
+            gtk_widget_show_all (priv->title_close_button);
+          else
+            gtk_widget_hide (priv->title_close_button);
+        }
+
+      if (priv->title_label != NULL)
+        gtk_widget_show (priv->title_label);
+    }
+  else
+    {
+      if (priv->title_box != NULL)
+        gtk_widget_hide (priv->title_box);
+    }
+}
+
 static void
 create_decoration (GtkWidget *widget)
 {
@@ -4926,6 +4980,8 @@ create_decoration (GtkWidget *widget)
                     G_CALLBACK (gtk_window_title_close_clicked), window);
 
   gtk_widget_show_all (priv->title_box);
+
+  update_window_buttons (window);
 }
 
 static void
@@ -5933,6 +5989,12 @@ gtk_window_state_event (GtkWidget           *widget,
         gtk_widget_set_visible (priv->title_box, !priv->fullscreen);
     }
 
+  if (event->changed_mask & (GDK_WINDOW_STATE_FULLSCREEN | GDK_WINDOW_STATE_MAXIMIZED))
+    {
+      update_window_buttons (window);
+      gtk_widget_queue_draw (GTK_WIDGET (window));
+    }
+
   return FALSE;
 }
 
@@ -8735,6 +8797,7 @@ gtk_window_set_resizable (GtkWindow *window,
       priv->resizable = resizable;
 
       update_grip_visibility (window);
+      update_window_buttons (window);
 
       gtk_widget_queue_resize_no_redraw (GTK_WIDGET (window));
 
-- 
2.30.2